#include "time_impl.h"

long long __tm_to_secs(const struct tm *tm)
{
    int is_leap;
    long long year = tm->tm_year;
    int month = tm->tm_mon;
    if (month >= 12 || month < 0) {
        int adj = month / 12;
        month %= 12;
        if (month < 0) {
            adj--;
            month += 12;
        }
        year += adj;
    }
    long long t = __year_to_secs(year, &is_leap);
    t += __month_to_secs(month, is_leap);
    t += 86400LL * (tm->tm_mday-1);
    t += 3600LL * tm->tm_hour;
    t += 60LL * tm->tm_min;
    t += tm->tm_sec;
    return t;
}
